Home / 8,240.16-12,365.10-3,049.68

Finding the Fourth Proportional to 8,240.16, 12,365.10 and 3,049.68

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Solution

The fourth proportional to 8,240.16, 12,365.10 and 3,049.68 is: 4,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.16 : 12,365.10 = 3,049.68 : x
  2. Step 2: Convert to fraction form
    8,240.16/12,365.10 = 3,049.68/x
  3. Step 3: Cross multiply
    8,240.16x = 12,365.10 × 3,049.68
  4. Step 4: Simplify right side
    8,240.16x = 37,709,598.17
  5. Step 5: Solve for x
    x = 37,709,598.17/8,240.16
  6. Step 6: Final answer
    x = 4,576.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.